Submission #231809

#	Time	Username	Problem	Language	Result	Execution time	Memory
231809		Masterdan	Horses (IOI15_horses)	C++14	17 / 100	20 ms	8448 KiB

horses

#include "horses.h"
#include <bits/stdc++.h>
#define MIN -1
#define MAX 1000000007
#define all(a)  a.begin (), a.end ()
#define pb  push_back
#define mp  make_pair
#define F  first
#define S  second
#define mem(a, c)  memset(a, c, sizeof(a))
using namespace  std;
typedef vector <int> vi;
typedef long long int ll;
typedef pair <int, int>  ii;
typedef vector <ll> vll;
int n;
ll lol=MAX;
ll vx[1010], vy[1010];
int solve(){
   /* for(int i=0;i<n;i++)cout<<vx[i]<<" ";
    cout<<endl;
    for(int i=0;i<n;i++)cout<<vy[i]<<" ";
    cout<<endl;*/
    ll acum=1;
    ll maxi=MIN;
    for(int i=0;i<n;i++){
        acum*=vx[i];
        acum=acum%lol;
        ll aux=(acum*vy[i])%lol;
        maxi=max(maxi, aux);
    }
    return int(maxi);
}
int init(int N, int x[], int y[]) {
        n=N;
    for(int i=0;i<n;i++){
        vx[i]=x[i];
        vy[i]=y[i];
    }
    return solve();
}

int updateX(int pos, int val) {
	vx[pos]=ll(val);
	return solve();
}

int updateY(int pos, int val) {
	vy[pos]=ll(val);
	return solve();
}
/*
static char _buffer[1024];
static int _currentChar = 0;
static int _charsNumber = 0;
static FILE *_inputFile, *_outputFile;

static inline int _read() {
    if (_charsNumber < 0) {
        exit(1);
    }
    if (!_charsNumber || _currentChar == _charsNumber) {
        _charsNumber = (int)fread(_buffer, sizeof(_buffer[0]), sizeof(_buffer), _inputFile);
        _currentChar = 0;
    }
    if (_charsNumber <= 0) {
        return -1;
    }
    return _buffer[_currentChar++];
}

static inline int _readInt() {
    int c, x, s;
    c = _read();
    while (c <= 32) c = _read();
    x = 0;
    s = 1;
    if (c == '-') {
        s = -1;
        c = _read();
    }
    while (c > 32) {
        x *= 10;
        x += c - '0';
        c = _read();
    }
    if (s < 0) x = -x;
    return x;
}


int main() {

    int n;
    cin>>n;
    int X[n], Y[n];
    for(int i=0;i<n;i++){
        int x;
        cin>>X[i];
    }
    for(int i=0;i<n;i++){
        int y;
        cin>>Y[i];
    }
	//fprintf(_outputFile,"%d\n",init(n,X,Y));
    cout<<init(n, X, Y)<<endl;
	int m;
	cin>>m;
	for(int i=1;i<=m;i++){
        int x, pos, val;
        cin>>x>>pos>>val;
        if(x==1){
            cout<<updateX(pos, val)<<endl;
        }else cout<<updateY(pos, val)<<endl;
	}

	return 0;
}


*/

• Subtask 1: 17 / 17
• Subtask 2: 0 / 17
• Subtask 3: 0 / 20
• Subtask 4: 0 / 23
• Subtask 5: 0 / 23